If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

how come the second man dies?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

Solve below rebus puzzle?